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Finding the Fourth Proportional to 8,278.88, 11,424.85 and 4,552.88

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Solution

The fourth proportional to 8,278.88, 11,424.85 and 4,552.88 is: 6,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.88 : 11,424.85 = 4,552.88 : x
  2. Step 2: Convert to fraction form
    8,278.88/11,424.85 = 4,552.88/x
  3. Step 3: Cross multiply
    8,278.88x = 11,424.85 × 4,552.88
  4. Step 4: Simplify right side
    8,278.88x = 52,015,902.56
  5. Step 5: Solve for x
    x = 52,015,902.56/8,278.88
  6. Step 6: Final answer
    x = 6,282.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.